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n <br />u <br />u <br />F <br />u <br />0 <br />u <br />n <br />110 2nd Avenue South, #D7, Pacheco, CA 94553 <br />McCAMPBELL ANALYTICAL INC. Tele: 510-798-1620 Fax 510-798-1622 <br />QC REPORT FOR HYDROCARBON ANALYSES <br />Date: 10/16/97 Matrix: Soil <br />(oil and grease) <br />k Rec. = (MS - Sample) / amount spiked x 100 <br />RPD - (MS - MSD) / (MS + MSD) x 2 x 100 <br />Concentration <br />(mg/kg) <br />( I <br />% Recovery <br />Analyte <br />I Sample <br />I Amount I <br />RPD <br />1(#79443) <br />MS <br />MSD <br />I Spiked I <br />MS <br />MSD <br />TPH (gas) <br />0.000 <br />1.921 <br />1.820 <br />2.03 <br />95 <br />90 <br />5.4 <br />Benzene <br />0.000 <br />0.176 <br />0.182 <br />0.2 ( <br />88 <br />91 <br />3.4 <br />Toluene <br />( 0.000 <br />0.184 <br />0.188 <br />0.2 <br />92 <br />94 <br />2.2 <br />Ethylbenzene <br />0.000 <br />0.182 <br />0.186 <br />0.2 <br />91 <br />93 <br />2.2 <br />Xylenes <br />0.000 <br />0.562 <br />0.574 <br />0.6 <br />94 <br />96 <br />2.1 <br />TPH(diesel) <br />0 <br />316 <br />319 <br />300 <br />105 <br />106 <br />1.3 <br />TRPH <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />(oil and grease) <br />k Rec. = (MS - Sample) / amount spiked x 100 <br />RPD - (MS - MSD) / (MS + MSD) x 2 x 100 <br />